Home / 864,328.36-1,192,792.24-477,142.88

Finding the Fourth Proportional to 864,328.36, 1,192,792.24 and 477,142.88

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Solution

The fourth proportional to 864,328.36, 1,192,792.24 and 477,142.88 is: 658,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,328.36 : 1,192,792.24 = 477,142.88 : x
  2. Step 2: Convert to fraction form
    864,328.36/1,192,792.24 = 477,142.88/x
  3. Step 3: Cross multiply
    864,328.36x = 1,192,792.24 × 477,142.88
  4. Step 4: Simplify right side
    864,328.36x = 569,132,324,635.25
  5. Step 5: Solve for x
    x = 569,132,324,635.25/864,328.36
  6. Step 6: Final answer
    x = 658,467.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.